Inch, Elevator Bolt, Head Type - Bolts Flat, Steel, Material Grade Grade A, Fastener Finish Plain, Dia./Thread Size 1/4 In.-20, Fastener Length 2 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASME B18.5, Fastener Thread Style Partially Threaded, Head Dia. 0.969 in, Head Height 5/64 in, Rockwell Hardness Max B100, Package Quantity 50